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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01536000 Lackawanna River at Old Forge, PA


Lackawanna County, Pennsylvania
Hydrologic Unit Code 02050107
Latitude  41°21'33", Longitude  75°44'41" NAD27
Drainage area 332  square miles
Gage datum 594.61 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1959-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 490 432 575 1,150 733 576 394 194 243 381 356 579
2 499 485 582 1,160 676 499 346 210 292 305 336 585
3 491 533 572 1,260 652 425 299 206 202 282 350 534
4 483 512 573 1,290 655 376 279 230 214 277 311 511
5 496 457 726 1,230 651 348 244 207 175 281 294 486
6 472 424 742 1,120 676 431 213 197 190 257 300 480
7 470 442 694 1,070 655 432 193 185 283 233 293 518
8 472 412 676 1,050 604 367 210 185 232 219 346 530
9 468 377 687 942 603 343 204 168 258 264 453 506
10 487 370 790 958 623 321 179 173 224 250 421 499
11 445 447 817 912 650 304 180 212 205 277 428 576
12 445 449 783 837 654 327 192 212 215 296 431 596
13 467 441 786 837 690 361 216 278 242 242 449 619
14 535 433 830 800 713 363 245 297 212 238 425 604
15 447 441 917 850 673 362 222 240 197 260 436 534
16 421 463 787 958 677 341 211 194 239 273 473 513
17 387 466 796 944 688 352 182 177 216 274 513 512
18 398 496 803 840 638 344 186 211 457 257 430 602
19 534 484 775 788 610 310 177 179 277 368 417 516
20 488 497 806 772 638 276 167 152 227 401 440 463
21 410 505 812 743 561 344 170 154 202 452 437 553
22 384 525 882 739 543 404 178 171 202 356 427 509
23 408 554 884 724 519 433 181 273 251 327 441 503
24 502 660 830 725 517 355 200 177 266 332 406 544
25 593 753 864 765 476 306 203 172 340 310 410 613
26 601 705 870 731 423 325 192 141 292 346 419 539
27 648 585 974 761 401 426 191 144 432 387 505 512
28 592 626 984 732 391 543 180 207 442 423 643 483
29 530 608 1,090 666 513 395 168 187 373 413 595 478
30 515   1,080 659 479 361 204 186 338 394 581 466
31 473   1,080   457   225 163   363   501